15.13. NumberGroup - Part C

Part c. The MultipleGroups class represents a collection of NumberGroup objects and is a NumberGroup. The MultipleGroups class stores the number groups in the instance variable groupList (shown below), which is initialized in the constructor.

Write the MultipleGroups method contains. The method takes an integer and returns true if and only if the integer is contained in one or more of the number groups in groupList.

For example, suppose multiple1 has been declared as an instance of MultipleGroups and consists of the three ranges created by the calls:

The following table shows the results of several calls to contains.

../_images/NumberGroup.png

15.13.1. Try and Solve It

Write the method contains below in the class MultiGroups. (Note that the original AP Question involved a NumberGroup interface which has been replaced with inheritance here).

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